427825540 has 48 divisors (see below), whose sum is σ = 921071088. Its totient is φ = 166859264.

The previous prime is 427825511. The next prime is 427825543. The reversal of 427825540 is 45528724.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17438976 + 410386564 = 4176^2 + 20258^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 427825540.

It is not an unprimeable number, because it can be changed into a prime (427825543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182214 + ... + 184546.

It is an arithmetic number, because the mean of its divisors is an integer number (19188981).

Almost surely, 2^427825540 is an apocalyptic number.

It is an amenable number.

427825540 is an abundant number, since it is smaller than the sum of its proper divisors (493245548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427825540 is a wasteful number, since it uses less digits than its factorization.

427825540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 427825540 is about 20683.9440146216. The cubic root of 427825540 is about 753.5097954194.

The spelling of 427825540 in words is "four hundred twenty-seven million, eight hundred twenty-five thousand, five hundred forty".